Recently, Chinese online education companies have completely taken down courses for preschoolers, including TAL Education Group (NYSE: TAL), Tencent-backed Yuanfudao, and GSX Techedu(NYSE: GSX), have completely shelved their courses for preschool children. Some firms are refunding fees to previously enrolled users.

At the end of March, China's Ministry of Education requested that out-of-school training institutions should not provide training for preschool children in violation of the law.